5616666169 has 2 divisors, whose sum is σ = 5616666170. Its totient is φ = 5616666168.

The previous prime is 5616666163. The next prime is 5616666173. The reversal of 5616666169 is 9616666165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3932794944 + 1683871225 = 62712^2 + 41035^2 .

It is a cyclic number.

It is not a de Polignac number, because 5616666169 - 2³ = 5616666161 is a prime.

It is a super-2 number, since 2×5616666169² = 63093877707978273122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5616666161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808333084 + 2808333085.

It is an arithmetic number, because the mean of its divisors is an integer number (2808333085).

Almost surely, 2^5616666169 is an apocalyptic number.

It is an amenable number.

5616666169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616666169 is an equidigital number, since it uses as much as digits as its factorization.

5616666169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 52.

The square root of 5616666169 is about 74944.4205328189. The cubic root of 5616666169 is about 1777.5679204253.

The spelling of 5616666169 in words is "five billion, six hundred sixteen million, six hundred sixty-six thousand, one hundred sixty-nine".